<template>
  <div>
       <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品分类</el-breadcrumb-item>
    </el-breadcrumb>
     <!--卡牌区域 -->
      <el-card>
         <el-row :gutter="20">
           <el-col :span="8">
             <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
             </el-input>
           </el-col>
           <el-col :span="4">
             <el-button type="primary" @click="goAddpage">添加商品</el-button>
           </el-col>
         </el-row>

          <!--表格区域 -->
          <el-table :data="goodsList" >
             <el-table-column type="index" ></el-table-column>
             <el-table-column label="商品名称" prop="goods_name" ></el-table-column>
             <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
              <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
           
             <el-table-column label="创建时间" prop="add_time" width="180px">
              <template slot-scope="scope">
               {{scope.row.add_time | dataFormat}}
              </template>
             </el-table-column>
            
          <el-table-column label='操作' width="130px">
           <template slot-scope="scope">
              <!--修改按钮-->
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                 <!--删除按钮-->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeByid(scope.row.goods_id)"></el-button>
        
           </template>
          </el-table-column>
          </el-table>
             <!--分页功能 -->
           <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[1, 5, 10, 15]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total" background >
            </el-pagination>
      </el-card>
  </div>
</template>

<script>
export default {
    data() {
        return {
            // 查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品列表数据
            goodsList:[],
            total:0
        }
    },
  created() { 
       this.getGoodsList()
  },
  methods: {
   async   getGoodsList(){
     const {data:res} =  await this.$http.get('goods',{
             params:this.queryInfo
         })
         if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
       this.$message.success('获取商品列表成功')
       this.goodsList=res.data.goods
       this.total=res.data.total
   
      },
    //  下拉上拉那个分页变化 触发这个函数
      handleSizeChange(newsize){
       this.queryInfo.pagesize=newsize
       this.getGoodsList()
      },
    //  页码值发生变化
      handleCurrentChange(newpage){
     this.queryInfo.pagenum=newpage
      this.getGoodsList()
      },
   async   removeByid(id){
        const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err) 
      if (confirmResult !== 'confirm') { return this.$message.info('已取消删除！') }
      const { data: res } = await this.$http.delete('goods/' + id)
      if (res.meta.status !== 200) { return this.$message.error('删除商品失败！') }
      this.$message.success('删除商品成功！')
       this.getGoodsList()
      },
      goAddpage(){
        this.$router.push('/goods/add')
      }
  },
}
</script>

<style>

</style>